Grail BMW F90 M5 3-Zoll variants:with stainless steel tailpipes This long-standing tradition and experience

This long-standing tradition and experience is now also available for road cars all over the world

Installation is easy as our radiators come with CNC machined mounting brackets and OE style "Quick Connect" inlet/outlet connections

If the flap system is closed again by remote control

since the dynamic pressure can be precisely dosed for maximum engine performance

Long service life

Grail BMW F90 M5 3-Zoll variants:with stainless steel tailpipes This long-standing tradition and experienceGRAIL flap exhaust systems with ECE type approval can be used on your EU vehicle without registration. They are made by hand in Germany from high quality L304 stainless steel and produce an unmistakable sound that will give you goosebumps the first time you start the engine. If you are driving an imported vehicle with an operating license, please find out before purchasing whether you need to have the exhaust system registered in your vehicle